In Devonshire's first season in 2019 he totaled five tackles with one pass deflection.[3] In the 2020 season, Devonshire had one tackle and a pass deflection.[4] After the conclusion of the 2020 season, Devonshire would decide to enter the NCAA transfer portal.[5][6]
Pittsburgh
Devonshire would decide to transfer to the University of Pittsburgh to continue out his college career.[7][8] In week eleven of the 2021 season, Devonshire recorded his first career interception that sealed the win for the Panthers over North Carolina.[9] Devonshire finished the 2021 season with 17 tackles, with one being for a loss, three pass deflections, and an interception.[10] In week one of the 2022 season, Devonshire intercepted a pass and returned it for 56 yards to take the lead, as he helped Pittsburgh beat their rival West Virginia.[11] For his performance on the week, Devonshire was named the ACC defensive back of the week.[12] In week four, Devonshire returned a punt 82 yards for a touchdowns, in a win over Rhode Island.[13] Devonshire finished the 2022 season with 34 tackles, eight pass deflections, three interceptions, and two touchdowns, Devonshire also returned 24 punts for 233 yards and a touchdown.[14] For his performance on the year, Devonshire was named second team All-ACC as a returner.[15][16] Devonshire entered the 2023 season, as one of the Panthers best players.[17] In week seven of the 2023 season, Devonshire totaled six tackles, five pass deflections, and he intercepted a pass and returned it 86 yards for a touchdown, as he helped Pittsburgh upset #14 Louisville.[18] For his performance on the week he was named the ACC defensive back of the week.[19]
Devonshire was selected by the Las Vegas Raiders in the seventh round (229th overall) of the 2024 NFL draft.[22] He was waived on August 28, and re-signed to the practice squad.[23]
Devonshire signed a reserve/future contract with Las Vegas on January 6, 2025.[24] On April 25, Devonshire was waived by the Raiders.[25]
Carolina Panthers
On April 28, 2025, Devonshire was claimed off waivers by the Carolina Panthers.[26] He was waived on July 25.[27]
Baltimore Ravens
On August 9, 2025, Devonshire signed with the Baltimore Ravens.[28] He was waived on August 25.[29]
Buffalo Bills
On December 9, 2025, Devonshire signed with the Buffalo Bills' practice squad.[30] On January 19, 2026, he signed a reserve/futures contract with Buffalo.[31]
On May 11, 2026, Devonshire was waived by the Bills.[32]